<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/result.png" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 页面主题区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse?'64px':'200px'"  style="">
        <div class="toggle-button" @click="toggleCollapase">|||</div>
        <el-menu
          :default-active="activePath"
          class="el-menu-vertical-demo"
          @open="handleOpen"
          @close="handleClose"
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFF"
          :unique-opened="true"	
          :collapse="isCollapse"
          :collapse-transition="false"
          router 
        >
          <!-- 一级菜单 -->
          <el-submenu :index="item.id +''" v-for="item in menulist" :key="item.id" >
            <!-- 一级菜单模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜但 -->
            <el-menu-item :index="'/'+child.path" v-for="child in item.children" :key="child.id" @click="saveNavDate('/'+child.path,$route.path)">
              <!-- 二级菜单模板区域 -->
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{child.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容主题 -->
      <el-main>
        <!-- 路由占位符-->
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data(){
    return{
      //左侧菜单数据
      menulist:[],
      iconsObj:{
        '125':'el-icon-user-solid',
        '103':'el-icon-s-check',
        '101':'el-icon-s-goods',
        '102':'el-icon-s-order',
        '145':'el-icon-s-data'
      },
      //是否折叠
      isCollapse:false,
      activePath:''

    }
  },
  created() {
    this.getMenuList();
    this.activePath=window.sessionStorage.getItem('activePath')
  },
  methods: {
       handleOpen(key, keyPath) {
        console.log(key, keyPath);
      },
      handleClose(key, keyPath) {
        console.log(key, keyPath);
      },
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
    //获取所有的菜但
    async getMenuList() {
      const { data: res } = await this.$http.get("menus");
      if(res.meta.status!==200) return this.$message.console.error(res.meta.msg);
      this.menulist=res.data;
      console.log(res);
    },
    //点击切换菜单的折叠和展开
    toggleCollapase(){
      this.isCollapse=!this.isCollapse;
    },
    //保存连接的激活状态
    saveNavDate(activePath,path){
      window.sessionStorage.setItem('activePath',activePath);
      this.activePath=activePath;
      console.log(activePath)
      console.log('router.path:'+path)
    }
    
  },
};
</script>

<style lang='less' scope>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
    img {
      width: 150px;
    }
  }
}
.el-aside {
  background-color: #333744;
  transition: all 0.5s ease;
  .el-menu{
    border-right: 0px;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont{
  margin-right: 10px;
}
.toggle-button{
  background-color: #4A5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>